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1141444331 = 4331384809
BaseRepresentation
bin100010000001001…
…0000111011101011
32221112211101020222
41010002100323223
54314202204311
6305133040255
740200055016
oct10402207353
92845741228
101141444331
11536352025
1227a32608b
13152631a61
14ab84a37d
156a320adb
hex44090eeb

1141444331 has 8 divisors (see below), whose sum is σ = 1171734960. Its totient is φ = 1111324032.

The previous prime is 1141444327. The next prime is 1141444349. The reversal of 1141444331 is 1334441411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1141444331 - 22 = 1141444327 is a prime.

It is a super-2 number, since 2×11414443312 = 2605790321544075122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1141444331.

It is not an unprimeable number, because it can be changed into a prime (1141404331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28946 + ... + 55863.

It is an arithmetic number, because the mean of its divisors is an integer number (146466870).

Almost surely, 21141444331 is an apocalyptic number.

1141444331 is a deficient number, since it is larger than the sum of its proper divisors (30290629).

1141444331 is an equidigital number, since it uses as much as digits as its factorization.

1141444331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85165.

The product of its digits is 2304, while the sum is 26.

The square root of 1141444331 is about 33785.2679580908. The cubic root of 1141444331 is about 1045.0849136223.

Adding to 1141444331 its reverse (1334441411), we get a palindrome (2475885742).

The spelling of 1141444331 in words is "one billion, one hundred forty-one million, four hundred forty-four thousand, three hundred thirty-one".

Divisors: 1 43 313 13459 84809 3646787 26545217 1141444331